When you change the icon in Bloxstrap settings, apply that icon everywhere. i.e. I selected the late 2015 icon, but the Bloxstrap logo and 2023 Roblox logo still appear. Furthermore, would it be ...

Enabling this option will extract the Roblox icons to a folder in Bloxstrap's installation folder. From here, open the properties for your shortcut by right-clicking on it, selecting "Change Icon", ...

Roblox apparently has done this for some desktop users via its icons. As you’ll see in the tweet below, the game has changed the icons for the player and studio programs.